<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>引入方式</title>
</head>
<body>
<input type="button" value="按钮" onclick="alert('内联引入成功!')">

<script>
    alert("内部引入成功!")
</script>
<script src="my.js"></script>
</body>
</html>